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Learn the names, symbols and atomic numbers of all the 118 elements in the periodic table of chemistry. Find out the origin and significance of chemical symbols and how to memorize them easily. What is Atomic Chemistry? An atom is the smallest unit of ordinary matter that forms a chemical element. Atoms are made of fundamental particles called protons, neutrons, and electrons. Protons and neutrons clump together to form a central nucleus. The electrons move in a cloud-like region around the nucleus. Most atoms are stable. Their protons, neutrons, and electrons balance. The electrons of an atom are attracted to the protons in an atomic nucleus by the electromagnetic force. The ... Latest skis, ski boots, ski helmets, ski goggles & clothing by Atomic . For skiing, ski touring & cross-country skiing. Physicists distinguish between atomic physics—which deals with the atom as a system consisting of a nucleus and electrons—and nuclear physics, which studies nuclear reactions and special properties of atomic nuclei.
